21657806

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1571}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 33332688

約数和(自身を除く): 11674882

約数列:

[1, 2, 61, 113, 122, 226, 1571, 3142, 6893, 13786, 95831, 177523, 191662, 355046, 10828903, 21657806]

約数ペア:

[(1, 21657806), (2, 10828903), (61, 355046), (113, 191662), (122, 177523), (226, 95831), (1571, 13786), (3142, 6893)]